	var axisData = ['周一','周二','周三','周四','周五','周六','周日'];
	var data = axisData.map(function (item, i) {
	    return Math.round(Math.random() * 1000 * (i + 1));
	});
	var links = data.map(function (item, i) {
	    return {
	        source: i,
	        target: i + 1
	    };
	});
	links.pop();
	option = {
	    title: {
	        text: '笛卡尔坐标系上的 Graph'
	    },
	    tooltip: {},
	    xAxis: {
	        type : 'category',
	        boundaryGap : false,
	        data : axisData
	    },
	    yAxis: {
	        type : 'value'
	    },
	    series: [
	        {
	            type: 'graph',
	            layout: 'none',
	            coordinateSystem: 'cartesian2d',
	            symbolSize: 40,
	            label: {
	                normal: {
	                    show: true
	                }
	            },
	            edgeSymbol: ['circle', 'arrow'],
	            edgeSymbolSize: [4, 10],
	            data: data,
	            links: links,
	            lineStyle: {
	                normal: {
	                    color: '#2f4554'
	                }
	            }
	        }
	    ]
	};
	
	$CommonUI.echarts3('#main',option);